CN115262977A

CN115262977A - Concrete conveying device

Info

Publication number: CN115262977A
Application number: CN202211186097.0A
Authority: CN
Inventors: 奚云青; 张宏图; 朱华峰; 周海东; 戴春龙
Original assignee: Jiangsu Guangya High Tech Materials Co ltd
Current assignee: Jiangsu Guangya High Tech Materials Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-11-01
Anticipated expiration: 2042-09-28
Also published as: CN115262977B

Abstract

The invention relates to the technical field of concrete conveying, in particular to a concrete conveying device which comprises a supporting frame, wherein a cavity and a hopper are arranged on the supporting frame, a first piston cylinder and a second piston cylinder are communicated with one side of the cavity, pistons are arranged in the first piston cylinder and the second piston cylinder, a connecting cylinder is rotatably connected to the side wall of the other side of the cavity, and one end of the connecting cylinder extends to the outside of the cavity and is fixedly connected with a discharge hole. According to the invention, the driving mechanism drives the piston to move, so that concrete in the cavity is sucked into the second piston cylinder, the swing mechanism drives the connecting cylinder to rotate from being communicated with the first piston cylinder to being communicated with the second piston cylinder, the driving mechanism drives the piston in the second piston cylinder to move, so that the concrete in the second piston cylinder is pushed out, and finally the concrete is discharged from the discharge port through the connecting cylinder, so that the conveying of the concrete is realized, the conveying by manpower is avoided, the conveying efficiency is higher, and the labor intensity of operators is reduced.

Description

Concrete conveying device

Technical Field

The invention relates to the technical field of concrete conveying, in particular to a concrete conveying device.

Background

Concrete is one of the leading civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, forming, curing and hardening. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like.

The existing concrete conveying device is mainly applied to large construction sites, such as high-rise building construction, bridge and tunnel construction and the like, and the reasons are that the structural principle is complex, the manufacturing cost is high, the maintenance and repair of a hydraulic system are difficult, and the device is difficult to popularize and apply to small construction sites, such as rural self-building houses, livestock farm house construction and the like.

Disclosure of Invention

The invention aims to: in order to solve the problems, a concrete conveying device is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a concrete conveying device comprises a supporting frame, wherein rollers are arranged at the lower end of the supporting frame, a cavity and a hopper are arranged on the supporting frame, the hopper is connected with the cavity through a cylinder, a packing auger is arranged in the cylinder, a first piston cylinder and a second piston cylinder are communicated with one side of the cavity, pistons are arranged in the first piston cylinder and the second piston cylinder, a connecting cylinder is rotatably connected to the side wall of the other side of the cavity, one end of the connecting cylinder extends to the outside of the cavity and is fixedly connected with a discharge port, the other end of the connecting cylinder is matched with the first piston cylinder and the second piston cylinder, a first connecting rod is fixedly connected to the connecting cylinder, one end of the first connecting rod extends to the outside of the cavity and is fixedly connected with a coaxially arranged sleeve, the axes of the first connecting rod and the discharge port are mutually overlapped, and the supporting frame is provided with a driving mechanism for driving the two pistons to move and a swinging mechanism matched with the sleeve;

actuating mechanism includes the brace table with support frame lower extreme fixed connection, be equipped with driving motor on the brace table, driving motor's output extends to the top and the first linking arm of fixedly connected with of support frame, it is connected with the back shaft to rotate on the support frame, it is connected with the third linking arm to rotate on the back shaft, third linking arm one end is rotated through the pivot and is connected with the second linking arm, the second linking arm is kept away from pivot one end and is rotated with first linking arm and be connected, the third linking arm other end rotates and is connected with the fourth linking arm, it is connected with the fifth linking arm to rotate in the pivot, two first mounts of support frame up end fixedly connected with, two equal sliding connection has the second connecting rod on the first mount, two second connecting rod one end respectively with the piston fixed connection in first piston section of thick bamboo and the second piston section of thick bamboo, two the equal fixedly connected with sixth linking arm of second connecting rod other end, two equal fixedly connected with rotates the seat, two on the sixth linking arm keep away from third linking arm one end with fourth linking arm and fifth linking arm respectively and rotate and be connected.

Preferably, swing mechanism include with support frame up end fixed connection's third mount, it is connected with the second drive wheel to rotate on the third mount, second drive wheel one end extends to the cylinder of the inside and coaxial setting of fixedly connected with of sleeve, logical groove has been seted up on the sleeve side table wall, first cross slot, first spread groove, second spread groove and second cross slot have been seted up on the cylinder side table wall, sliding connection has the slide bar in the first cross slot, the slide bar runs through logical groove and extends to sleeve outside and fixedly connected with stopper, be equipped with drive assembly between second drive wheel and the driving motor.

Preferably, the transmission assembly comprises a second fixing frame fixedly connected with the lower end face of the support frame, a transmission rod is rotatably connected to the second fixing frame, one end of the transmission rod is fixedly connected with a second bevel gear which is coaxially arranged, a first bevel gear which is coaxially arranged is fixedly connected to an output shaft of the driving motor, the first bevel gear is meshed with the second bevel gear, the other end of the transmission rod is fixedly connected with a first transmission wheel which is coaxially arranged, and the first transmission wheel is connected with the second transmission wheel through a belt.

Preferably, the supporting frame is provided with a channel matched with the belt, and the driving mechanism and the sleeve are externally provided with a protective cover.

Preferably, the first transverse groove and the second transverse groove are respectively arranged at two ends of the side surface wall of the cylinder, the first transverse groove and the second transverse groove are respectively positioned above and below the second driving wheel, one end of the first transverse groove is communicated with one end of the second transverse groove through the first connecting groove, and the other end of the first transverse groove is communicated with the other end of the second transverse groove through the second connecting groove.

Preferably, the through groove, the first connecting groove and the second connecting groove are all arranged in an inclined manner, the inclined angles of the through groove and the first connecting groove are the same, and the first connecting groove and the second connecting groove are symmetrically arranged about a vertical plane where the axis of the cylinder is located.

Preferably, a groove matched with the connecting cylinder is formed in the inner side wall of the cavity.

Preferably, an indicating block which synchronously rotates with the connecting cylinder is fixedly connected to the outer side wall of the sleeve.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. this application is through being equipped with feed bin and auger, carry the concrete in the feed bin to the cavity in through the auger, rethread actuating mechanism cooperatees with swing mechanism, at first, drive the piston through actuating mechanism and move, inhale the concrete in the cavity in the second piston section of thick bamboo, rethread swing mechanism drives the connecting cylinder and rotates to communicating with the second piston section of thick bamboo by communicating with first piston section of thick bamboo, rethread actuating mechanism drives the piston in the second piston section of thick bamboo and moves, release the concrete in the second piston section of thick bamboo, through the connecting cylinder and finally by the discharge gate ejection of compact, piston in the first piston section of thick bamboo is pulled back simultaneously, inhale the concrete in the cavity in the first piston section of thick bamboo, drive connecting cylinder and first piston section of thick bamboo intercommunication by swing mechanism again, so cyclic reciprocation, realize the transport of concrete, avoided the manpower to carry, time saving and labor saving, the conveying efficiency is higher, and labor intensity of operation personnel has been greatly reduced simultaneously.

2. This application instructs the piece through being provided with, instructs the piece to pass through sleeve and head rod and connecting cylinder synchronous oscillation for when swing mechanism drives the connecting cylinder swing, instruct the position of piece to change thereupon, make operating personnel can see the running condition of connecting cylinder more directly perceivedly, when the connecting cylinder breaks down, instruct the setting of piece to be convenient for operating personnel to make the judgement to the site conditions fast, improved the work efficiency of device.

Drawings

Fig. 1 is a schematic view illustrating an overall structure of a conveying device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating an internal structure of a shield and a cavity provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram of a driving mechanism provided according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a drive mechanism and transmission assembly provided in accordance with an embodiment of the present invention;

FIG. 5 is an exploded view of a partial structure of a swing mechanism provided in accordance with an embodiment of the present invention;

fig. 6 shows an exploded view of another angle of a partial structure of a swing mechanism provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a support frame; 2. a roller; 3. a protective cover; 4. a cavity; 5. a hopper; 6. a barrel; 7. a discharge port; 8. a connecting cylinder; 9. a first connecting rod; 10. a sleeve; 11. a first piston cylinder; 12. a second piston cylinder; 13. a support table; 14. a drive motor; 15. a first connecting arm; 16. a second connecting arm; 17. a support shaft; 18. a third connecting arm; 19. a fourth connecting arm; 20. a rotating shaft; 21. a fifth connecting arm; 22. a first fixing frame; 23. a second connecting rod; 24. a sixth connecting arm; 25. a rotating seat; 26. a second fixing frame; 27. a first bevel gear; 28. a second bevel gear; 29. a transmission rod; 30. a first drive pulley; 31. a third fixing frame; 32. a second transmission wheel; 33. a cylinder; 34. a belt; 35. an indication block; 36. a through groove; 37. a slide bar; 38. a limiting block; 39. a first transverse slot; 40. a first connecting groove; 41. a second connecting groove; 42. a second transverse groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a concrete conveying device comprises a supporting frame 1, wherein rollers 2 are arranged at the lower end of the supporting frame 1, a cavity 4 and a hopper 5 are arranged on the supporting frame 1, the hopper 5 is connected with the cavity 4 through a cylinder 6, an auger is arranged in the cylinder 6, one side of the cavity 4 is communicated with a first piston cylinder 11 and a second piston cylinder 12, pistons are arranged in the first piston cylinder 11 and the second piston cylinder 12, a connecting cylinder 8 is rotatably connected to the side wall of the other side of the cavity 4, one end of the connecting cylinder 8 extends to the outside of the cavity 4 and is fixedly connected with a discharge hole 7, the other end of the connecting cylinder 8 is matched with the first piston cylinder 11 and the second piston cylinder 12, a first connecting rod 9 is fixedly connected to the connecting cylinder 8, one end of the first connecting rod 9 extends to the outside of the cavity 4 and is fixedly connected with a coaxially arranged sleeve 10, the axle centers of the first connecting rod 9 and the discharge hole 7 are mutually overlapped, and the supporting frame 1 is provided with a driving mechanism for driving the two pistons to move and a swinging mechanism matched with the sleeve 10; actuating mechanism includes the brace table 13 with support frame 1 lower extreme fixed connection, be equipped with driving motor 14 on brace table 13, driving motor 14's output extends to the top of support frame 1 and the first linking arm 15 of fixedly connected with, it is connected with back shaft 17 to rotate on the support frame 1, it is connected with third linking arm 18 to rotate on back shaft 17, third linking arm 18 one end rotates through pivot 20 and is connected with second linking arm 16, second linking arm 16 keeps away from pivot 20 one end and rotates with first linking arm 15 to be connected, the third linking arm 18 other end rotates and is connected with fourth linking arm 19, it is connected with fifth linking arm 21 to rotate on the pivot 20, two first mounts 22 of support frame 1 up end fixed connection have, equal sliding connection has second connecting rod 23 on two first mounts 22, two second connecting rod 23 one end respectively with the piston fixed connection in first piston barrel 11 and the second piston barrel 12, the equal fixedly connected with sixth linking arm 24 of two second connecting rod 23 other ends, equal fixedly connected with linking arm 25 on two sixth linking arm 24, two rotating seats 25 rotate with fourth linking arm 19 and fifth linking arm 21 respectively and keep away from third linking arm 18 one end and be connected. Firstly, a conveying device moves to a construction area through a roller 2, a discharge port 7 is aligned to a corresponding position, concrete is poured into a hopper 5, the concrete is conveyed into a cavity 4 through a packing auger, a driving motor 14 is started at the same time, a first connecting arm 15 is driven to rotate around the output end of the driving motor 14, a third connecting arm 18 is driven to swing back and forth around a supporting shaft 17 through a second connecting arm 16 and a rotating shaft 20, two second connecting rods 23 and two pistons are driven to move back and forth through a fourth connecting arm 19 and a fifth connecting arm 21, at the moment, a connecting cylinder 8 is communicated with a first piston cylinder 11, when a piston in a second piston cylinder 12 is pulled back, the concrete in the cavity 4 is sucked into the second piston cylinder 12, the piston in the first piston cylinder 11 is pushed out, along with continuous rotation of the driving motor 14, the piston in the second piston cylinder 12 is pushed out, the concrete in the second piston cylinder 12 is pushed into the connecting cylinder 8 and finally discharged from the discharge port 7, and simultaneously the piston in the first piston cylinder 11 is pulled back, labor intensity of the first piston cylinder 4 is greatly reduced, labor intensity of labor-saving and labor-saving conveying efficiency of the first piston is greatly reduced. Meanwhile, the roller 2 is preferably a self-locking universal wheel, and after the conveying device is moved to a proper position, the stability of the whole conveying device is improved by locking the roller 2.

Specifically, as shown in fig. 4, fig. 5 and fig. 6, the swing mechanism includes a third fixing frame 31 fixedly connected with the upper end face of the supporting frame 1, a second driving wheel 32 is rotatably connected to the third fixing frame 31, one end of the second driving wheel 32 extends into the sleeve 10 and is fixedly connected with a cylinder 33 coaxially arranged, a through groove 36 is formed in the side surface wall of the sleeve 10, a first transverse groove 39 is formed in the side surface wall of the cylinder 33, a first connecting groove 40, a second connecting groove 41 and a second transverse groove 42 are formed in the side surface wall of the sleeve 10, a sliding rod 37 is slidably connected in the first transverse groove 39, the sliding rod 37 penetrates through the through groove 36 and extends to the outside of the sleeve 10 and is fixedly connected with a limiting block 38, and a transmission assembly is arranged between the second driving wheel 32 and the driving motor 14. The transmission assembly comprises a second fixing frame 26 fixedly connected with the lower end face of the support frame 1, a transmission rod 29 is connected to the second fixing frame 26 in a rotating mode, one end of the transmission rod 29 is fixedly connected with a second bevel gear 28 which is coaxially arranged, a first bevel gear 27 which is coaxially arranged is fixedly connected to an output shaft of the driving motor 14, the first bevel gear 27 is meshed with the second bevel gear 28, the other end of the transmission rod 29 is fixedly connected with a first transmission wheel 30 which is coaxially arranged, and the first transmission wheel 30 is connected with a second transmission wheel 32 through a belt 34. The supporting frame 1 is provided with a channel matched with the belt 34, and the driving mechanism and the outside of the sleeve 10 are provided with a protective cover 3. The driving motor 14 drives the first connecting arm 15 to rotate and simultaneously drives the first bevel gear 27 to rotate, thereby driving the second bevel gear 28 to rotate, the first driving wheel 30 is driven to rotate by the driving rod 29, the second driving wheel 32 is driven to rotate by the belt 34, thereby driving the cylinder 33 to rotate, so that the sliding rod 37 enters the first connecting groove 40 from the first transverse groove 39, due to the dual limitation of the first connecting groove 40 and the through groove 36, the sliding rod 37 slides towards the other end of the through groove 36 along with the rotation of the cylinder 33, and simultaneously drives the sleeve 10 to rotate for a certain angle, the connecting cylinder 8 is driven by the first connecting rod 9 to rotate to communicate with the second piston cylinder 12 from the communication with the first piston cylinder 11, the sliding rod 37 enters the second transverse groove 42 from the first connecting groove 40, so that the connecting cylinder 8 keeps communicating with the second piston cylinder 12, the cylinder 33 continues to rotate, so that the sliding rod 37 enters the second connecting groove 41 from the second transverse groove 42, the sliding rod 37 reversely slides in the through groove 36 and returns to the initial position, and meanwhile, the sleeve 10 is driven to reversely rotate by a certain angle, the connecting cylinder 8 is driven to rotate through the first connecting rod 9, so that the connecting cylinder 8 is separated from the second piston cylinder 12 and rotates to be communicated with the first piston cylinder 11, the sliding rod 37 enters the first transverse groove 39 from the second connecting groove 41, so that the connecting cylinder 8 is kept communicated with the first piston cylinder 11, the connecting cylinder 8 swings between the first piston cylinder 11 and the second piston cylinder 12, and meanwhile, after the connecting cylinder 8 moves to the first piston cylinder 11 or the second piston cylinder 12, the connecting cylinder 8 can be kept static for a period of time, and the piston is convenient to push out concrete.

Specifically, as shown in fig. 5 and 6, a first transverse groove 39 and a second transverse groove 42 are respectively provided at both ends of the side surface wall of the cylinder 33, and the first transverse groove 39 and the second transverse groove 42 are respectively located above and below the second transmission wheel 32, one end of the first transverse groove 39 and one end of the second transverse groove 42 are communicated through a first connecting groove 40, and the other end of the first transverse groove 39 and the other end of the second transverse groove 42 are communicated through a second connecting groove 41. The through groove 36, the first connecting groove 40 and the second connecting groove 41 are all arranged in an inclined manner, the inclined angles of the through groove 36 and the first connecting groove 40 are the same, and the first connecting groove 40 and the second connecting groove 41 are symmetrically arranged about a vertical plane where the axis of the cylinder 33 is located. The first transverse groove 39, the first connecting groove 40, the second transverse groove 42 and the second connecting groove 41 are sequentially connected end to form a complete annular groove, so that the sliding rod 37 can slide in the first transverse groove 39, the first connecting groove 40, the second transverse groove 42 and the second connecting groove 41 uninterruptedly, when the sliding rod 37 slides in the first transverse groove 39 and the second transverse groove 42, the connecting cylinder 8 is communicated with one of the first piston cylinder 11 or the second piston cylinder 12, when the sliding rod 37 is positioned in the first connecting groove 40 and the second connecting groove 41, the sleeve 10 rotates by a certain angle, the connecting cylinder 8 rotates by a certain angle synchronously, an object communicated with the connecting cylinder is changed, and the continuous operation of the conveying device is ensured.

Specifically, as shown in fig. 1, 2, 5 and 6, a groove matched with the connecting cylinder 8 is formed on the inner side wall of the cavity 4. An indicating block 35 which rotates synchronously with the connecting cylinder 8 is fixedly connected to the outer side wall of the sleeve 10. Indicate piece 35 to pass through sleeve 10 and the synchronous swing of head rod 9 and connecting cylinder 8 for when swing mechanism drives the swing of connecting cylinder 8, indicate piece 35's position and change along with it, make operating personnel can see the running condition of connecting cylinder 8 more directly perceivedly, when the connecting cylinder 8 breaks down, indicate the setting of piece 35 and be convenient for operating personnel to make the judgement to the site conditions fast, improved the work efficiency of device.

In summary, in the concrete conveying device provided by this embodiment, when in use, the conveying device is moved to a construction area through the roller 2, the discharge port 7 is aligned with a corresponding position, concrete is poured into the hopper 5, the auger conveys the concrete into the cavity 4, the driving motor 14 is simultaneously started to drive the first connecting arm 15 to rotate around the output end of the driving motor 14, the third connecting arm 18 is pulled to swing back and forth around the supporting shaft 17 through the second connecting arm 16 and the rotating shaft 20, so that the two second connecting rods 23 and the two pistons are pulled to move back and forth through the fourth connecting arm 19 and the fifth connecting arm 21, at this time, the connecting cylinder 8 is communicated with the first piston cylinder 11, and when the piston in the second piston cylinder 12 is pulled back, the concrete in the cavity 4 is sucked into the second piston cylinder 12, and the piston in the first piston cylinder 11 is pushed out, the driving motor 14 drives the first connecting arm 15 to rotate and simultaneously drives the first bevel gear 27 to rotate, thereby driving the second bevel gear 28 to rotate, the first driving wheel 30 is driven to rotate by the driving rod 29, the second driving wheel 32 is driven to rotate by the belt 34, thereby driving the cylinder 33 to rotate, so that the sliding rod 37 enters the first connecting groove 40 from the first transverse groove 39, due to the double limitation of the first connecting groove 40 and the through groove 36, the sliding rod 37 slides towards the other end of the through groove 36 along with the rotation of the cylinder 33, and simultaneously drives the sleeve 10 to rotate for a certain angle, the connecting cylinder 8 is driven to rotate to communicate with the second piston cylinder 12 from the communication with the first piston cylinder 11 through the first connecting rod 9, the sliding rod 37 enters the second transverse groove 42 from the first connecting groove 40, so that the connecting cylinder 8 keeps communicating with the second piston cylinder 12, and simultaneously, along with the continuous rotation of the driving motor 14, the piston in the second piston cylinder 12 is pushed out, pushing the concrete in the second piston cylinder 12 into the connecting cylinder 8, discharging the concrete from the discharge port 7, delivering the concrete to the operation site, pushing out the piston in the second piston cylinder 12, pulling back the piston in the first piston cylinder 11, sucking the concrete in the cavity 4 into the first piston cylinder 11, continuously rotating the cylinder 33, allowing the sliding rod 37 to enter the second connecting groove 41 from the second transverse groove 42, allowing the sliding rod 37 to reversely slide in the through groove 36, returning to the initial position, simultaneously driving the sleeve 10 to reversely rotate by a certain angle, driving the connecting cylinder 8 to rotate again from communication with the second piston cylinder 12 to communication with the first piston cylinder 11 through the first connecting rod 9, allowing the sliding rod 37 to enter the first transverse groove 39 from the second connecting groove 41, allowing the connecting cylinder 8 to maintain communication with the first piston cylinder 11, at the moment, pushing out the piston in the first piston cylinder 11 again, pushing the concrete in the first piston cylinder 11 into the connecting cylinder 8, discharging the concrete from the discharge port 7, simultaneously pulling back the piston in the second piston cylinder 12, sucking the concrete in the cavity 4 into the second piston cylinder 12, and delivering the concrete to the reciprocating manner.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A concrete conveying device comprises a support frame (1) and is characterized in that, the lower end of the support frame (1) is provided with a roller (2), the support frame (1) is provided with a cavity (4) and a hopper (5), the hopper (5) is connected with the cavity (4) through a cylinder body (6), the packing auger is arranged in the cylinder body (6), one side of the cavity (4) is communicated with a first piston cylinder (11) and a second piston cylinder (12), the first piston cylinder (11) and the second piston cylinder (12) are internally provided with pistons, the side wall at the other side of the cavity (4) is rotationally connected with a connecting cylinder (8), one end of the connecting cylinder (8) extends to the outside of the cavity (4) and is fixedly connected with a discharge hole (7), the other end of the connecting cylinder (8) is matched with a first piston cylinder (11) and a second piston cylinder (12), a first connecting rod (9) is fixedly connected to the connecting cylinder (8), one end of the first connecting rod (9) extends to the outside of the cavity (4) and is fixedly connected with a sleeve (10) which is coaxially arranged, the axes of the first connecting rod (9) and the discharge hole (7) are superposed with each other, the supporting frame (1) is provided with a driving mechanism for driving the two pistons to move and a swinging mechanism matched with the sleeve (10);

the driving mechanism comprises a supporting table (13) fixedly connected with the lower end of the supporting frame (1), a driving motor (14) is arranged on the supporting table (13), the output end of the driving motor (14) extends to the upper part of the supporting frame (1) and is fixedly connected with a first connecting arm (15), a supporting shaft (17) is rotatably connected onto the supporting frame (1), a third connecting arm (18) is rotatably connected onto the supporting shaft (17), one end of the third connecting arm (18) is rotatably connected with a second connecting arm (16) through a rotating shaft (20), one end of the second connecting arm (16) far away from the rotating shaft (20) is rotatably connected with the first connecting arm (15), the other end of the third connecting arm (18) is rotatably connected with a fourth connecting arm (19), the rotating shaft (20) is rotatably connected with a fifth connecting arm (21), two first fixing frames (22) are fixedly connected with the upper end face of the supporting frame (1), two second connecting rods (23) are slidably connected onto the first fixing frames (22), one ends of the second connecting rods (23) are respectively fixedly connected with first piston cylinder (11) and the other ends of the second piston cylinder (12), and two connecting rods (24) are fixedly connected with two connecting arms (24), the two rotating seats (25) are respectively connected with one ends, far away from the third connecting arm (18), of the fourth connecting arm (19) and the fifth connecting arm (21) in a rotating mode.

2. The concrete conveying device according to claim 1, wherein the swing mechanism comprises a third fixing frame (31) fixedly connected with the upper end face of the support frame (1), a second transmission wheel (32) is rotatably connected to the third fixing frame (31), one end of the second transmission wheel (32) extends into the sleeve (10) and is fixedly connected with a coaxially arranged cylinder (33), a through groove (36) is formed in the side surface wall of the sleeve (10), a first transverse groove (39), a first connecting groove (40), a second connecting groove (41) and a second transverse groove (42) are formed in the side surface wall of the cylinder (33), a sliding rod (37) is slidably connected in the first transverse groove (39), the sliding rod (37) extends to the outside of the sleeve (10) through the through groove (36) and is fixedly connected with a limiting block (38), and a transmission assembly is arranged between the second transmission wheel (32) and the driving motor (14).

3. The concrete conveying device according to claim 2, wherein the transmission assembly comprises a second fixing frame (26) fixedly connected with the lower end face of the support frame (1), a transmission rod (29) is rotatably connected to the second fixing frame (26), one end of the transmission rod (29) is fixedly connected with a second bevel gear (28) coaxially arranged, a first bevel gear (27) coaxially arranged is fixedly connected to an output shaft of the driving motor (14), the first bevel gear (27) and the second bevel gear (28) are meshed and connected, a first transmission wheel (30) coaxially arranged is fixedly connected to the other end of the transmission rod (29), and the first transmission wheel (30) and the second transmission wheel (32) are connected through a belt (34).

4. A concrete conveying device as claimed in claim 3, wherein the supporting frame (1) is provided with a passage which is matched with the belt (34), and the driving mechanism and the sleeve (10) are externally provided with a protective cover (3).

5. A concrete transporting device as claimed in claim 2, wherein said first lateral groove (39) and said second lateral groove (42) are provided at both ends of the side surface wall of the cylinder (33), respectively, and said first lateral groove (39) and said second lateral groove (42) are provided above and below the second driving wheel (32), respectively, one end of said first lateral groove (39) and one end of said second lateral groove (42) being communicated through a first connecting groove (40), the other end of said first lateral groove (39) and the other end of said second lateral groove (42) being communicated through a second connecting groove (41).

6. A concrete conveying device according to claim 5, characterized in that the through slot (36), the first connecting slot (40) and the second connecting slot (41) are all arranged obliquely, the angle of inclination of the through slot (36) and the first connecting slot (40) is the same, and the first connecting slot (40) and the second connecting slot (41) are arranged symmetrically with respect to a vertical plane in which the axis of the cylinder (33) is located.

7. A concrete conveying device according to claim 1, characterized in that the inner side wall of the cavity (4) is provided with a groove which is matched with the connecting cylinder (8).

8. A concrete conveying device according to claim 7, characterized in that an indicating block (35) which rotates synchronously with the connecting cylinder (8) is fixedly connected to the outer side wall of the sleeve (10).